Żerdenka [ʐɛrˈdɛŋka] is a village in the administrative district of Gmina Baligród, within Lesko County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 7 kilometres (4 mi) north-east of Baligród, 9 km (6 mi) south of Lesko, and 74 km (46 mi) south of the regional capital Rzeszów.